A projectile is launched straight up from ground level with an initial velocity of 96 ft per
Question:
A projectile is launched straight up from ground level with an initial velocity of 96 ft per sec. Its height in feet, s, after t seconds is given by the equation
s = -16t2 + 96t.
(a) At what time(s) will it reach a height of 80 ft?
(b) After how many seconds will it return to the ground?
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s 16t 2 96t a Let s 80 and solve for t The proj...View the full answer
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Related Book For 
College Algebra
ISBN: 978-0134697024
12th edition
Authors: Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
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